Auto calculator



FIG. 1 is a left, front and top perspective view of an auto calculator showing my new design, the bottom being flat and unornamented;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a left side elevational view thereof;

FIG. 5 is a right side elevational view thereof. 

The ornamental design for an auto calculator, as shown. 